Author: Robert Hyatt
Date: 06:49:58 06/23/01
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On June 23, 2001 at 05:16:08, Ralf Elvsén wrote: >On June 23, 2001 at 03:59:50, Artem Pyatakov wrote: > >>I have an interesting puzzle that came up with while I was starting to write my >>chess engine (it is related to how I will store generated moves)... >> >>First, I read somewhere that the average number of moves in the middle-game is >>about 35... Is this true? >> >>Second (and more interesting, but less practically important) What is the >>largest amount of legal moves possible from one side for ANY given position (no >>matter how bizarre)? >> >>Artem > >This information was given by Andreas Stabel here at CCC 1999: > >Record 218 moves for white: > >[D] 3Q4/1Q4Q1/4Q3/2Q4R/Q4Q2/3Q4/1Q4Rp/1K1BBNNk w - - I would not trust that in an engine. IE I assume 256 in Crafty, just in case there is an odd position that no one thought of. I have seen 200 move positions more than once. > >He had also checked a huge number of games and the record in these >was 92 moves. > >Ralf This probably depends on the players. And how "endgame phase" is defined. I could imagine some players going beyond this. :)
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